Quick Takeaways
- ONEX CORP has 7 issuer positions tracked on this page.
- Estimated disclosed ownership value: $1,454,753,422.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of ONEX CORP
- Location
- Toronto
- Summary
- The estimated value of insider holdings of ONEX CORP is at least $1,454,753,422 dollars as of 05 Dec 2025. ONEX CORP is the 10%+ Owner of Emerald Holding, Inc. and owns shares of Emerald Holding, Inc. (EEX) stock worth about $891.23M. ONEX CORP is the 10%+ Owner of CLARIVATE Plc and owns shares of CLARIVATE PLC (CLVT) stock worth about $563.52M.
- Signature
- /s/ David Copeland, Managing Director - Tax of Onex Corp.
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow ONEX CORP and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Emerald Holding, Inc. ($891,232,566).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of ONEX CORP
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| EEX | Emerald Holding, Inc. | 10%+ Owner | $891,232,566 | 02 May 2024 | ||
| CLVT | CLARIVATE Plc | 10%+ Owner | $563,520,856 | 14 Jun 2021 | ||
| PWSC | POWERSCHOOL HOLDINGS, INC. | Director, 10%+ Owner | $0 | 01 Oct 2024 | ||
| RYAN | RYAN SPECIALTY HOLDINGS, INC. | Director | $0 | -$225,936,345 | -100% | 05 Dec 2025 |
| ATIP | ATI Physical Therapy, Inc. | 10%+ Owner | 15 Jun 2023 | |||
| JELD | JELD-WEN Holding, Inc. | 10%+ Owner | 18 Aug 2021 | |||
| Onex Direct Lending BDC Fund | 10%+ Owner | 08 Nov 2024 |
Insider Transactions Reported by ONEX CORP:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.